Battery pack



FIG. 1 is a rear perspective view of the battery pack

FIG. 2 is a top plan view of the battery pack

FIG. 3 is a front perspective view of the battery pack

FIG. 4 is a bottom plan view of the battery pack

FIG. 5 is a left elevational view of the battery pack

FIG. 6 is a rear elevational view of the battery pack

FIG. 7 is a right elevational view of the battery pack; and,

FIG. 8 is a front elevational view of the battery pack. 

We claim the ornamental design for the battery pack, as shown. 